Mark appears in the following Heading horses.
If a name occurs more than once on the list,  Mark is present that many times in the 5 generation pedigree.

Horse Name	Born	Sex	Event	Sire	Dam
Booger	1994	g	Heading	Cee Booger Red	Rusty Fort
Spur		g	Heading	Blue Light Ike	Brio Victress
Stripper	2002	g	Heading	Frostys War Chief	Miss Turkey Wood
Twist	2000	s	Heading	Blue Light Ike	Frostys Pretty Baby